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	param	t-stat
$ω$	2.0367	2.52
$α$	0.1134	4.13
$β$	0.8065	19.25
$γ_{1}$	2.4692	1.60
$γ_{2}$	-1.1106	-0.54
$γ_{3}$	-4.0478	-3.16
$γ_{4}$	6.1834	4.71
$γ_{5}$	-6.8739	-5.92
$γ_{6}$	4.4891	3.92
$γ_{7}$	-0.2342	-0.18
$γ_{8}$	-1.8538	-1.35
$γ_{9}$	1.3527	1.39

V-Lab

American Century US Quality Growth ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:19.87% (-0.38%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other American Century US Quality Growth ETF Analyses